FTR-K1 SERIES
POWER RELAY
1 POLE - 25A - 1.5mm contact gap
FTR-K3-WG Series
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FEATURES
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1 pole, 25A
1 Form A
Contact gap 1.5mm
2.5kV surge breakdown voltage
Compliance with European photovoltaic standard (VDE0126)
High insulation in small package
(between coil and contact)
- Insulation distance: Clearance > 6.4mm
Creepage > 9.5mm
- Dielectric strength: 5,000VAC
- Surge strength: 8,500V
Low coil holding voltage contributes to energy saving of
equipment. The coil holding voltage can be reduced to 35%
of nominal coil voltage.
Power consumption at the coil holding voltage:125mW equivalent.
Coil holding voltage is the coil voltage after 100ms of applied
nominal coil voltage.
Flammability UL94V-0
(plastics)
Sealing: Flux free, cat II
RoHS compliant
Please see page 5 for more information
Contains no lead and features cadmium-free contacts
FTR-K3
(a)
A
(b)
B
(c)
012
(d)
W - WG
(e)
(f)
FTR-K3: FTR-K3 Series
A
B
012
W
WG
: 1 form A
: Standard type (0.78W)
: 5....48VDC
Coil rating table at page 3
: Silver tin oxide ( AgSnO
2
)
: Contact gap 1.5mm
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PARTNUMBER INFORMATION
[Example]
(a)
(b)
(c)
(d)
(e)
(f)
Relay type
Contact configuration
Coil type
Coil rated voltage
Contact material
Version
Actual marking does not carry the type name : "FTR"
E.g.: Ordering code: FTR-K3AB012W-WG Actual marking: K3AB012W
WG marked on the relay
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FTR-K3-WG SERIES
FTR-K1 SERIES
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SPECIFICATION
Item
Contact
Data
Configuration
Material
Resistance (initial)
Contact rating
Max. carrying current
Max. switching power
Max. switching voltage
Max. switching current
Min. switching load (reference)
Life
Mechanical
Resistive load
Electrical
Coil Data
Inverter load
Motor load
Rated power (at 20 °C)
Operate power (at 20 °C)
Holding/max. coil voltage
(valid after 100msec. nom. coil energizing
voltage)
FTR-K3-WG
1 form A
Silver tin oxide (AgSnO
2
)
Max. 100mOhm at 1A, 6VDC
25A / 250VAC (resistive)
25A
6,250VA
250VAC
25A
100mA, 5VDC
Min. 2 x 10
6
operations
25A 250VAC, 100 x 10
3
operations
Inrush 200A / break 25A 100VAC: 30 x 10
3
operations
Inrush 80A cosφ 0.7 / 20A cosφ 0.9 ; 250VAC
200 x 10
3
operations
Approximately 0.78W
Approximately 0.38W
40 to 120% of nominal coil voltage
(contact carrying current: 25A at 60 °C)
40 to 80% of nominal coil voltage
(contact carrying current: 25A at 85 °C)
35 to 120% of nominal coil voltage
(contact carrying current: 25A at 20 °C)
-40 °C to +60 °C (at nominal coil voltage)
-40 °C to +85 °C (at coil holding voltage 40 to 80% of
nominal coil voltage application)
Max. 20ms (no bounce)
Max. 10ms (no diode, no bounce)
Min. 1.5 mm
Min. 1,000MOhm at 500VDC
Open contacts
Coil and contacts
Coil to contacts
Misoperation
Endurance
Misoperation
Endurance
2,500VAC,
1min.
5,000VAC, 1min.
8,500V / 1.2 x 50µs standard wave
10 to 55Hz double amplitude 1.5 mm
10 to 55Hz double amplitude 1.5 mm
Min. 200m/s² (11 ± 1ms)
Min. 1,000m/s² (6 ± 1ms)
Approximately 25 g
Flux proof cat II
Operating temperature range (no frost)
Timing Data
Insulation
Operate (at nominal voltage)
Release *
Contact gap (initial)
Resistance
Dielectric strength
Surge strength
Other
Vibration resistance
Shock resistance
Weight
Sealing
* Use a varistor as a protective circuit against reverse surge in the relay coil. A varistor is connected parallel to the
coil. The reverse blocking voltage should be about 3 times the value of the power surge voltage.
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FTR-K1 SERIES
FTR-K3-WG SERIES
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COIL RATING
Coil
Code
005
006
009
012
018
024
048
Rated Coil
Voltage
(VDC)
5
6
9
12
18
24
48
Coil Resistance
+/- 10% (Ohm)
32
46
105
185
415
740
2,955
Must Operate
Voltage
(VDC) *
3.5
4.2
6.3
8.4
12.6
16.8
33.6
Must Release
Voltage
(VDC) *
0.5
0.6
0.9
1.2
1.8
2.4
4.8
Max. Operate
Voltage
(VDC)
7.5
9
13.5
18
27
36
72
Approx.
0.78
Rated Power
+/- 10% (W)
Note: All values in the table are valid for 20°C and zero contact current.
* Specified operate values are valid for pulse wave voltage.
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SAFETY STANDARDS
Type
UL
Compliance
UL 508
E63614
CSA
C22.2 No.14
LR40304
VDE
CQC
0435
GB15092.1, GB8898
04001009179
SEMKO
EN61058-1 / EN61095
20A, 250VAC, 40T60
20A, (13.33) 250VAC, 40T60
20/200A, 100VAC, 40T60
pending
Contact rating
25A, 277VAC (resistive, at 60 °C)
1HP, 125VAC *
1
(at 60 °C)
2HP, 277VAC *
2
100x10
3
(at 60 °C)
20A, 277VAC (resistive)
1HP, 125VAC *
1
2HP, 277VAC *
2
100x10
3
25A, 250VAC (cos
φ =1/at
60 °C)
20A, 250VAC
pending
*1 Over load 96A / 50 operations - 32A,
cosφ = 0.4-0.5 / 6,000 operations
*2 Over load 72A / 50 operations - 24A, cosφ = 0.4-0.5 / 100,000 operations
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FTR-K1 SERIES
FTR-K3-WG SERIES
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DIMENSIONS
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Schematics
(BOTTOM VIEW)
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PC board pattern
(BOTTOM VIEW)
Unit: mm
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FTR-K1 SERIES
FTR-K3-WG SERIES
RoHS Compliance and Lead Free Information
1. General Information
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All signal and power relays produced by Fujitsu Components are compliant with RoHS directive 2002/95EC
including amendments.
Cadmium as used in electrical contacts is exempted from the RoHS directives on October 21st, 2005.
(Amendment to Directive 2002/95/EC)
All of our signal and power relays are lead-free. Please refer to Lead-Free Status Info for older date codes
at: http://www.fujitsu.com/us/downloads/MICRO/fcai/relays/lead-free-letter.pdf
Lead free solder plating on relay terminals is Sn-3.0Ag-0.5Cu, unless otherwise specified.
This material has been verified to be compatible with PbSn assembly process.
2. Recommended Lead Free Solder Profile
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Recommended solder Sn-3.0Ag-0.5Cu.
Flow Solder condition:
Pre-heating:
Soldering:
maximum 120˚C
dip within 5 sec. at
260˚C solder bath
Solder by Soldering Iron:
Soldering Iron
Temperature: maximum 360˚C
Duration:
maximum 3 sec.
We highly recommend that you confirm your actual solder conditions
3. Moisture Sensitivity
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Moisture Sensitivity Level standard is not applicable to electromechanical relays, unless otherwise indicated.
Dipped SnAgCu solder is known as presenting a low risk to tin whisker development. No considerable length
whisker was found by our in house test.
4. Tin Whiskers
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